package com.lanou.hotel;

import com.baomidou.mybatisplus.generator.FastAutoGenerator;
import com.baomidou.mybatisplus.generator.config.OutputFile;
import com.baomidou.mybatisplus.generator.config.rules.DbColumnType;
import com.baomidou.mybatisplus.generator.engine.FreemarkerTemplateEngine;

import java.sql.Types;
import java.util.Collections;

public class Generator {
    private String url = "jdbc:mysql:///hotel_lanou?serverTimezone=UTC&characterEncoding=UTF-8";
    private String username = "root";
    private String password = "123456";
    public void generator() {
        FastAutoGenerator.create(url,username, password)
                .globalConfig(builder -> {
                    builder.author("msy") // 设置作者
                            //.enableSwagger() // 开启 swagger 模式
                            //.fileOverride() // 覆盖已生成文件
                            .outputDir("E:\\86523\\Documents\\MyProgram\\hotel-lanou-project\\src\\main\\java"); // 指定输出目录
                })
                .dataSourceConfig(builder -> builder.typeConvertHandler((globalConfig, typeRegistry, metaInfo) -> {
                    int typeCode = metaInfo.getJdbcType().TYPE_CODE;
                    if (typeCode == Types.SMALLINT) {
                        // 自定义类型转换
                        return DbColumnType.INTEGER;
                    }
                    return typeRegistry.getColumnType(metaInfo);

                }))
                .packageConfig(builder -> {
                    builder.parent("com.lanou.hotel") // 设置父包名
                            //.moduleName("system") // 设置父包模块名
                            .pathInfo(Collections.singletonMap(OutputFile.xml, "E:\\86523\\Documents\\MyProgram\\hotel-lanou-project\\src\\main\\resources\\mapper")); // 设置mapperXml生成路径
                })
                .strategyConfig(builder -> {
                    builder.addInclude("t_guests,t_guests_history") // 设置需要生成的表名
                            .addTablePrefix("t_", "c_"); // 设置过滤表前缀
                })
                .templateEngine(new FreemarkerTemplateEngine()) // 使用Freemarker引擎模板，默认的是Velocity引擎模板
                .execute();

    }

    public static void main(String[] args) {
        Generator generator = new Generator();
        generator.generator();
    }
}
